50-500 usd
The 1400 is not a pump. The pump version is the 1300.
50-300 USD
1400.00
That will depend on the Model of shotgun you are asking about,along with the overall condition of your Winchester shotgun?
100-1000 USD or so
The value of the Winchester pump action 1902 12 gauge model 1912 serial 166303 varies greatly with its condition. This gun can retail for about $200 depending on style and condition.
It depends on the original condition. $250-5,000.
Your winchester model 12 pump action shotgun was made in 1924 is valued at between 275-495 dollars based on your shotgun having between 60%-90% original finish and a good bore.
your model 12 Winchester pump shotgun was made in 1951 as to value in fine condition I have seen them from 550.00 dollars and up.
100-1000 USD or more depending on specifics
With the serial number that you provided,your Winchester model 1912 pump action shotgun was produced in the year 1924.
1912